Preheat oven to 300°F. In a bowl, toss together the oats, maple syrup, melted butter, and cinnamon. For the Pumpkin Chocolate Chip Version: Add 1 tablespoon of pumpkin puree to the oat mixture and mix well. Spread the granola mixture evenly on a parchment paper-lined baking sheet. Bake for 20 minutes. Once out of the oven, allow to cool. For the Pumpkin Chocolate Chip Version: Sprinkle chocolate chips over the warm granola and allow to cool completely before storing.
